#404E84#404E84

#404E84 is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.8% C 0.091 H 271.3°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#404E84
RGB	rgb(64, 78, 132)
HSL	hsl(228, 35%, 38%)
HSV	hsv(228, 52%, 52%)
CMYK	cmyk(51.5%, 40.9%, 0%, 48.2%)
CIE-LAB	lab(34.40, 10.66, -32.09)
CIE-LCH	lch(34.40, 33.82, 288.37°)
OKLab	oklab(43.84% 0.002 -0.0908)
OKLCH	oklch(43.84% 0.091 271.3)
XYZ	xyz(9.0023, 8.2041, 22.9345)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404E84 #847640

analogous

#407084 #404E84 #544084

triadic

#404E84 #84404E #4E8440

tetradic

#404E84 #844070 #847640 #408454

square

#404E84 #844070 #847640 #408454

split-complementary

#404E84 #845440 #708440

monochromatic

#181D32 #2C365B #404E84 #5567AC #7E8CC0

Accessibility & contrast

On white

7.95

#404E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#404E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404E84

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404E84	#FFFFFF	#000000	##FFFFFF
##404E84	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395486

Deuteranopia (green-blind)

#324E83

Tritanopia (blue-blind)

#245962

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #404e84;
/* rgb */ color: rgb(64, 78, 132);
/* oklch */ color: oklch(43.8% 0.091 271.3);

Tailwind

colors: {
  custom: {
    50: '#797fa8',
    500: '#404e84',
    950: '#000000',
  },
}

SCSS

$custom: #404e84;
$custom-light: #797fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#404e84",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 132
  },
  "hsl": {
    "h": 227.647,
    "s": 34.694,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43837,
    "c": 0.0908,
    "h": 271.3
  },
  "luminance": 0.08205
}

Semantic roles & 50–950 ramp

primary

#404E84

secondary

#ABA075

accent

#B45DCB

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #404E84

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →